package processingdata;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;

public class FileMerger {
	
	public static void main(String[] args)throws IOException
	{
		String dirName="project3cs424/geofound";
		ArrayList<String> files=new ArrayList<String>();
		getFilesInDirectory(dirName, files);
		
		BufferedWriter outputWriter=new BufferedWriter(new FileWriter(new File("data/newufo.data")));
		for(int i=0;i<files.size();i++)
		{
			File file=new File(files.get(i));
			BufferedReader inputReader=new BufferedReader(new FileReader(file));
			
			while(inputReader.ready())
			{
				String inputLine=inputReader.readLine();
				if(!inputLine.isEmpty())
				{
					outputWriter.write(inputLine+"\n");	
				}
				
			}
			
		}
		outputWriter.close();
	}
	
	public static void getFilesInDirectory(String dirName,ArrayList<String> files)
	{
		File dir=new File(dirName);
		
		//System.out.println(dir);
		if(dir.isDirectory())
		{
			if(dir.getName().contains(".svn"))
			{
				//do nothing
			}
			else
			{
			
				File[] fileArray=dir.listFiles();
							
				for(int i=0;i<fileArray.length;i++)
				{
				//	System.out.println(fileArray[i]);
					getFilesInDirectory(fileArray[i].getAbsolutePath(),files);
				}

			}
					}
		else if(dir.isFile())
		{
			files.add(dir.getAbsolutePath());
		}
		
		
	}

}
